Input interpretation
selenium(IV) ions | molar mass
Results
hexachloroselenate(IV) anion | 291.7 g/mol (grams per mole) selenite anion | 126.97 g/mol (grams per mole)
selenium(IV) ions | molar mass | 209.3 g/mol (grams per mole) (median)
Relative values
| visual | ratios | | comparisons selenite anion | | 0.4353 | 1 | 56.47% smaller hexachloroselenate(IV) anion | | 1 | 2.297 | 129.7% larger
Unit conversion for median molar mass 209.3 g/mol
0.2093 kg/mol (kilograms per mole)
Comparisons for median molar mass 209.3 g/mol
≈ 0.29 × molar mass of fullerene ( ≈ 721 g/mol )
≈ 1.1 × molar mass of caffeine ( ≈ 194 g/mol )
≈ 3.6 × molar mass of sodium chloride ( ≈ 58 g/mol )
Corresponding quantities
Mass of a molecule m from m = M/N_A: | 3.5×10^-22 grams | 3.5×10^-25 kg (kilograms) | 209 u (unified atomic mass units) | 209 Da (daltons)
Relative molecular mass M_r from M_r = M_u/M: | 209